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由合肥煤炭设计研究院、两淮煤矿特殊凿井公司、煤炭科学研究总院北京建井研究所、淮南矿业学院、淮南矿务局共同承担的国家“七五”攻关项目,“谢桥西风井人直径、薄井壁结构设计研究及钻井施工技术”在京通过了中国统配煤矿总公司主持的科学技术成果鉴定。钻井法凿井是当前国内外矿井建设中的一项先进技术,它不仅可以有效地通过不稳定地层,在坚硬岩层中也可以应用。机械化程度高。解除了工人的繁重劳动。该项科研成果,攻克了一系列技术难题,采用国产9米钻机成功钻凿了钻径9.3米、成井直径7米,井深464.5米的煤矿深井。该项成果扩大了钻井法使用范围,为今后设计和施工深井大直径井筒开创和积累了新的经验。经济、社会效益显著,同采用钻井法的谢桥东风
Hefei Coal Design and Research Institute, Lianghuai Coal Mine Special Drilling Company, Beijing Institute of Construction Research, China Coal Research Institute, Huainan Mining Institute, and Huainan Coal Mining Bureau jointly undertake the national “Seventh Five-Year Plan” research project. Xieqiao Xifeng Mine The research on the diameter and thin borehole wall structure design and drilling technology have passed the appraisal of scientific and technological achievements hosted by the China General Coal Mine Corporation. Drilling method is a state-of-the-art technology in the construction of mines at home and abroad. It can not only effectively pass unstable formations, but also can be applied in hard rock formations. High degree of mechanization. The heavy labor of the workers was lifted. The scientific research achievements have overcome a series of technical problems and successfully drilled 9.3 meters of drilling diameter, 7 meters of well diameter, and 464.5 meters deep well depth in a domestic 9 meters drilling rig. This achievement has expanded the scope of drilling application and created and accumulated new experiences for the design and construction of deep wells and large-diameter wellbores in the future. Economic and social benefits are significant, with the use of drilling method Xieqiao Dongfeng